14556657149 has 2 divisors, whose sum is σ = 14556657150. Its totient is φ = 14556657148.

The previous prime is 14556657139. The next prime is 14556657223. The reversal of 14556657149 is 94175665541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9889308025 + 4667349124 = 99445^2 + 68318^2 .

It is a cyclic number.

It is not a de Polignac number, because 14556657149 - 2¹⁶ = 14556591613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14556657149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14556657139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7278328574 + 7278328575.

It is an arithmetic number, because the mean of its divisors is an integer number (7278328575).

Almost surely, 2^14556657149 is an apocalyptic number.

It is an amenable number.

14556657149 is a deficient number, since it is larger than the sum of its proper divisors (1).

14556657149 is an equidigital number, since it uses as much as digits as its factorization.

14556657149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536000, while the sum is 53.

The spelling of 14556657149 in words is "fourteen billion, five hundred fifty-six million, six hundred fifty-seven thousand, one hundred forty-nine".